AMDGPU: Remove global_atomic_ordered_add_b64 from gfx1250 support (#145781)

Author: changpeng

llvm/lib/Target/AMDGPU/FLATInstructions.td

@@ -1036,9 +1036,11 @@ defm GLOBAL_LOAD_LDS_DWORDX3 : FLAT_Global_Load_LDS_Pseudo <"global_load_lds_dwo
 defm GLOBAL_LOAD_LDS_DWORDX4 : FLAT_Global_Load_LDS_Pseudo <"global_load_lds_dwordx4">;
 }
 
+let SubtargetPredicate = isGFX12PlusNot12_50 in
+  defm GLOBAL_ATOMIC_ORDERED_ADD_B64 : FLAT_Global_Atomic_Pseudo <"global_atomic_ordered_add_b64", VReg_64, i64>;
+
 let SubtargetPredicate = isGFX12Plus in {
   defm GLOBAL_ATOMIC_COND_SUB_U32    : FLAT_Global_Atomic_Pseudo <"global_atomic_cond_sub_u32", VGPR_32, i32>;
-  defm GLOBAL_ATOMIC_ORDERED_ADD_B64 : FLAT_Global_Atomic_Pseudo <"global_atomic_ordered_add_b64", VReg_64, i64>;
 
   def GLOBAL_INV    : FLAT_Global_Invalidate_Writeback<"global_inv">;
   def GLOBAL_WB     : FLAT_Global_Invalidate_Writeback<"global_wb">;
@@ -1827,19 +1829,19 @@ let SubtargetPredicate = isGFX12Plus in {
     defm : GlobalFLATAtomicPatsNoRtnWithAddrSpace  <"GLOBAL_ATOMIC_COND_SUB_U32", "int_amdgcn_atomic_cond_sub_u32", "global_addrspace",  i32>;
 }
 
-let OtherPredicates = [isGFX12Plus] in {
+let OtherPredicates = [isGFX12PlusNot12_50] in
   defm : GlobalFLATAtomicPatsRtn <"GLOBAL_ATOMIC_ORDERED_ADD_B64", "int_amdgcn_global_atomic_ordered_add_b64", i64, i64, /* isIntr */ 1>;
 
-  let WaveSizePredicate = isWave32 in {
-    defm : GlobalFLATLoadPats <GLOBAL_LOAD_TR_B64_w32, int_amdgcn_global_load_tr_b64, v2i32>;
-    foreach vt = [v8i16, v8f16, v8bf16] in
-      defm : GlobalFLATLoadPats <GLOBAL_LOAD_TR_B128_w32, int_amdgcn_global_load_tr_b128, vt>;
-  }
-  let WaveSizePredicate = isWave64 in {
-    defm : GlobalFLATLoadPats <GLOBAL_LOAD_TR_B64_w64, int_amdgcn_global_load_tr_b64, i32>;
-    foreach vt = [v4i16, v4f16, v4bf16] in
-      defm : GlobalFLATLoadPats <GLOBAL_LOAD_TR_B128_w64, int_amdgcn_global_load_tr_b128, vt>;
-  }
+let WaveSizePredicate = isWave32, OtherPredicates = [isGFX12Plus] in {
+  defm : GlobalFLATLoadPats <GLOBAL_LOAD_TR_B64_w32, int_amdgcn_global_load_tr_b64, v2i32>;
+  foreach vt = [v8i16, v8f16, v8bf16] in
+    defm : GlobalFLATLoadPats <GLOBAL_LOAD_TR_B128_w32, int_amdgcn_global_load_tr_b128, vt>;
+}
+
+let WaveSizePredicate = isWave64, OtherPredicates = [isGFX12PlusNot12_50] in {
+  defm : GlobalFLATLoadPats <GLOBAL_LOAD_TR_B64_w64, int_amdgcn_global_load_tr_b64, i32>;
+  foreach vt = [v4i16, v4f16, v4bf16] in
+    defm : GlobalFLATLoadPats <GLOBAL_LOAD_TR_B128_w64, int_amdgcn_global_load_tr_b128, vt>;
 }
 
 let SubtargetPredicate = HasAtomicFMinFMaxF32GlobalInsts, OtherPredicates = [HasFlatGlobalInsts] in {

llvm/test/MC/AMDGPU/gfx1250_asm_unsupported.s

@@ -1,5 +1,8 @@
 ; RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1250 -show-encoding %s 2>&1 | FileCheck --check-prefix=GFX1250-ERR --implicit-check-not=error: --strict-whitespace %s
 
+global_atomic_ordered_add_b64 v0, v[2:3], s[0:1] offset:-64
+// GFX1250-ERR: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
 ;; DOT4_F32_*, DOT2_F32_*, DOT2_F16 and DOT2_BF16
 
 v_dot4_f32_fp8_fp8 v0, v1, v2, v3